Annual report pursuant to Section 13 and 15(d)

STATEMENTS OF CASH FLOWS

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STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:    
Net loss $ (10,206) $ (8,776)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 196 221
Non-cash interest expense 2
Non-cash gain on debt extinguishment (661)
Stock-based milestone payment 50
Stock-based compensation 947 1,505
Amortization of restricted stock 450 36
Other 2 (7)
Changes in operating assets and liabilities:    
Receivables 76 772
Inventory 187 35
Prepaid expenses and other assets 164 163
Accounts payable (751) (1,191)
Other accrued liabilities 801 (293)
Deferred revenue (99) 295
Net cash used in operating activities (8,183) (7,899)
Cash flows from investing activities:    
Purchases of furniture and equipment (23)
Net cash used in investing activities (23)
Cash flows from financing activities:    
Proceeds from equity offerings 4,980 8,841
Proceeds from the exercise of warrants 4
Net cash provided by financing activities 4,984 8,841
Net change in cash, cash equivalents and restricted cash (3,199) 919
Cash, cash equivalents and restricted cash at beginning of year 6,332 5,413
Cash, cash equivalents and restricted cash at end of year 3,133 6,332
Supplemental disclosure of cash flow information    
Right of use asset obtained in exchange for lease liability, net of amortization 149
Retirement of property and equipment 1,372
Accumulated depreciation on retired property and equipment (1,372)
Cash and cash equivalents 2,937 6,037
Restricted cash 196 295
Cash, cash equivalents and restricted cash as shown in the statements of cash flows $ 3,133 $ 6,332